** Shares of PepsiCo PEP.O up ~1% at $137.15 premarket

** Co expects smaller drop in annual core profit owing to resilient demand for its energy drinks and healthier soda brands

** Expects full-year core earnings per share to fall 1.5% vs 3% decline projected previously

** Posts quarterly revenue of $22.73 billion vs analysts' estimates of $22.28 billion, as per data compiled by LSEG

** Up to last close, stock down about 11% YTD

(Reporting by Anuja Bharat Mistry in Bengaluru)

((AnujaBharat.Mistry@thomsonreuters.com))